MSM7570L-01 データシートの表示（PDF） - Oki Electric Industry

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MSM7570L-01

Multi-Function ADPCM CODEC

Oki Electric Industry 

¡ Semiconductor

ABSOLUTE MAXIMUM RATINGS

Parameter

Power Supply Voltage

Analog Input Voltage

Digital Input Voltage

Storage Temperature

Symbol

VDD

VAIN

VDIN

TSTG

Condition

—

—

—

—

MSM7570L-01/02

Rating

–0.3 to +5

– 0.3 to VDD + 0.3

–0.3 to VDD + 0.3

–55 to +150

Unit

V

V

V

°C

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Condition

Min. Typ. Max. Unit

Power Supply Voltage

VDD Voltage must be fixed

2.7

—

3.6

V

Operating Temperature

Ta

—

–25

+25

+70 °C

Digital Input High Voltage

MCK, XSYNC, RSYNC, PCMRI,

VIH

PCMSI, BCLK, IR, PDN/RESET, 0.45

DEN, EXCK, DIN

¥ VDD

—

VDD

V

Digital Input Low Voltage

MCK, XSYNC, RSYNC, PCMRI,

VIL PCMSI, BCLK, IR, PDN/RESET, 0

DEN, EXCK, DIN

0.16

—

V

¥ VDD

Master Clock Frequency

fMCK1 MCK (CR0–B6 = "0")

fMCK2 MCK (CR0–B6 = "1")

–0.01% 12.288 +0.01% MHz

–0.01% 19.200 +0.01% MHz

Bit Clock Frequency

fBCK BCLK

64

—

2048 kHz

Synchronous Signal Frequency fSYMC XSYNC, RSYNC

—

8.0

— kHz

Clock Duty Ratio

DC MCK, BCLK, EXCK

30

50

70

%

MCK, XSYNC, RSYNC, PCMRI,

Digital Input Rise Time

tIr PCMSI, BCLK, IR, PDN/RESET, —

—

50

ns

DEN, EXCK, DIN

MCK, XSYNC, RSYNC, PCMRI,

Digital Input Fall Time

tIf PCMSI, BCLK, IR, PDN/RESET, —

—

50

ns

DEN, EXCK, DIN

Transmit Sync Signal Setting Time tXS

tXS

BCLK to XSYNC

XSYNC to BCLK

100

—

100

—

—

ns

—

ns

Receive Sync Signal Setting Time tRS BCLK to RSYNC

tSR RSYNC to BCLK

100

—

100

—

—

ns

—

ns

Synchronous Signal Width

tWS XSYNC, RSYNC

1 BCLK —

100 ms

PCM, ADPCM Set-up Time

tDS

—

100

—

—

ns

PCM, ADPCM Hold Time

tDH

—

100

—

—

ns

Digital Output Load

RDL IS (Pull-up Resistor)

500

—

—

W

CDL IS, PCMSO, PCMRO, VOXO, DOUT —

—

100 pF

Bypass Capacitors for SG

CSG SG to AG

10 + 0.1 —

—

mF

10/26

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